/Engine/Source/Runtime/EyeTracker/Public/EyeTrackerFunctionLibrary.h
Returns unfied gaze data from the eye tracker. This is a single gaze ray, representing the fusion of both eyes.
True if the returned gaze data is valid, false otherwise. A false return is likely to be common (e.g. the when user blinks).
static bool GetGazeData ( [FEyeTrackerGazeData](API\Runtime\EyeTracker\FEyeTrackerGazeData) & OutGazeData )